package com.t7;

/**
 * Created by xuyiwei on 2018/8/1.
 */
class Anna{
    private String s1;

    public Anna(String s1) {
        this.s1 = s1;
    }

    public String getS1() {
        return s1;
    }

    public void setS1(String s1) {
        this.s1 = s1;
    }
}
public class finaldemo1 {
    public static void main(String[] args) {
        final Anna anna = new Anna("a");
//        anna = new Anna("n");
        final int i = 2;
//        i = 3;

    }
}
